Q:http://www.spoj.com/problems/JULKA/
import java.util.*;
public class Julka {
private static Scanner sc;
public static void main(String args[])
{
sc = new Scanner(System.in);
int t=sc.nextInt();
for(int i=0;i<t;i++)
{
long a=sc.nextInt();
long k=sc.nextInt();
long equal=(a-k)/2;
System.out.println(equal+k);
System.out.print(equal);
}
}
}